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Radner W. Toward an internationally accepted standard for reading charts. Prog Retin Eye Res 2024; 101:101262. [PMID: 38574851 DOI: 10.1016/j.preteyeres.2024.101262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
Patients who suffer from sight-threatening eye diseases share a desire to regain a comfortable reading ability. In light of the modern advances achieved in ophthalmic diagnosis and therapy, and because a significant lack of comparability between reading charts still exists, there is an increasing need for a worldwide standard in the form of a norm for diagnostic reading charts. Already, applied advancements such as digital print, which allow a calibration of the print sizes of reading charts in correctly progressing geometric proportions by using the actual height of a lower case "x" in millimeters (x-height), and psychophysically standardizing reading charts and their test items by applying modern statistical methods have significantly contributed to establishing a norm for reading charts. In 2020, a proposal of the British delegation was accepted by the International Organization for Standardization (ISO) group "Visual Optics and Optical Instruments," and a working group was established. Bearing in mind the efforts of the ISO with regard to an international norm, this review article is intended to (a) give an overview of the historical background and related normative approaches for diagnostic reading tests used in ophthalmology and optometry, (b) explain psychophysical and technical concerns, and (c) discuss the possibilities and limits of concepts that seem relevant to developing a modern standard for reading charts.
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Affiliation(s)
- Wolfgang Radner
- Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500, Krems, Austria; Department of Ophthalmology, University Hospital St. Pölten, Dunant-Platz 1, 3100, St. Pölten, Austria; Austrian Academy of Ophthalmology, Mollgasse 11, 1180, Vienna, Austria.
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Li J, Sun B, Zhang Y, Hao Y, Wang Z, Liu C, Jiang S. Comparative efficacy and safety of all kinds of intraocular lenses in presbyopia-correcting cataract surgery: a systematic review and meta-analysis. BMC Ophthalmol 2024; 24:172. [PMID: 38627651 PMCID: PMC11020619 DOI: 10.1186/s12886-024-03446-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 04/10/2024] [Indexed: 04/19/2024] Open
Abstract
PURPOSE To assess the efficacy and safety of various intraocular lenses (IOLs), including standard monofocal, bifocal, trifocal, extended depth of focus (EDOF), and enhanced monofocal IOLs, post-cataract surgery through a network meta-analysis. METHODS A systematic search of PubMed, Cochrane Library, and Web of Science was conducted to identify relevant studies from the past 5 years. Parameters such as binocular visual acuities, spectacle independence, contrast sensitivity (CS), and optical quality were used to evaluate efficacy and safety. Data from the selected studies were analyzed using Review Manager 5.4 and STATA 17.0 software. RESULTS Twenty-eight Randomized Controlled Trials (RCTs) comprising 2465 subjects were included. Trifocal IOLs exhibited superior uncorrected near visual acuity (UNVA) compared to monofocal IOLs (MD: -0.35; 95% CI: -0.48, -0.22). Both trifocal (AcrySof IQ PanOptix IOLs group MD: -0.13; 95% CI: -0.21, -0.06) and EDOF IOLs (MD: -0.13; 95% CI: -0.17, -0.09) showed better uncorrected intermediate visual acuity (UIVA) than monofocal IOLs. Trifocal IOLs ranked highest in spectacle independence at various distances (AT LISAtri 839MP group: SUCRA 97.5% for distance, 80.7% for intermediate; AcrySof IQ PanOptix group: SUCRA 83.0% for near). CONCLUSIONS For cataract patients who want to treat presbyopia, trifocal IOLs demonstrated better visual acuity and spectacle independence at near distances. Different types of trifocal IOL characteristics differ. EDOF and enhanced monofocal IOLs have improved visual quality at intermediate distances.Therefore, It is very important to select the appropriate IOLs based on the lens characteristics and patient needs.
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Affiliation(s)
- Jinyu Li
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Binzhou Medical University, Jinbu Street, Muping area, Yantai, Shandong Province, 264000, China
| | - Bin Sun
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Binzhou Medical University, Jinbu Street, Muping area, Yantai, Shandong Province, 264000, China
| | - Yuexin Zhang
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Binzhou Medical University, Jinbu Street, Muping area, Yantai, Shandong Province, 264000, China
| | - Yansong Hao
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Binzhou Medical University, Jinbu Street, Muping area, Yantai, Shandong Province, 264000, China
| | - Ze Wang
- Department of Ophthalmology, Shijiazhuang People's Hospital, Shi Jiazhuang, 050200, China
| | - Chengjiang Liu
- Department of General Medicine, Affiliated Anqing First People's Hospital of Anhui Medical University, Anhui, 246000, China
| | - Shanhao Jiang
- Department of Ophthalmology, Yantai Affiliated Hospital of Binzhou Medical University, Binzhou Medical University, Jinbu Street, Muping area, Yantai, Shandong Province, 264000, China.
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Daya S, Espinosa Lagana M. Visual and Refractive Outcomes of a New Hydrophobic Trifocal Toric Intraocular Lens. Clin Ophthalmol 2024; 18:997-1007. [PMID: 38584722 PMCID: PMC10999220 DOI: 10.2147/opth.s453565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 03/28/2024] [Indexed: 04/09/2024] Open
Abstract
Purpose To evaluate the visual outcomes and efficacy of astigmatism correction using a new hydrophobic trifocal toric intraocular lens (IOL). Methods This study involved 62 eyes implanted with the FineVision HP Toric IOL. The visual and refractive outcomes were assessed preoperatively and 6 weeks after the surgery. Specifically, monocular uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected intermediate visual acuity (UIVA) at 80 and 60 cm and uncorrected near visual acuity at (UNVA) at 40 cm were evaluated. The rotational stability of the lens was also assessed. Results Sixty-one eyes (98.39%) were within ±1.00D and 55 eyes (88.71%) were within ±0.50 D of spherical equivalent, with a mean value of 0.09±0.39 D. 51 (82.26%) and 61 (98.39%) eyes had a UDVA of ≥20/20 and ≥20/25, respectively, and for CDVA these values were as follows: 59 (95.16%) and 62 eyes (100%), respectively. The mean UDVA and CDVA were 0.01±0.06 and -0.01±0.04logMAR, respectively. Greater than or equal to unaided 20/20 vision was achieved at 40 cm in 42 (67.74%), UIVA at 60 cm in 42 (67.74%) and 50 eyes (80.65%) at 80 cm. Those achieving ≥20/25 were 56 (90.32%, 40 cm), 59 (95.16%, 60 cm), and 62 eyes (100%, 80 cm). Postoperative mean values were 0.04±0.07, 0.03±0.07, and 0.00±0.07logMAR for UCNVA, UIVA at 60 cm, and UIVA at 80 cm, respectively. The mean rotation of the IOL was 5.8 degrees. Conclusion This hydrophobic trifocal toric IOL provides good refractive outcomes with excellent visual acuity across multiple distances, providing a full range of focus.
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Affiliation(s)
- Sheraz Daya
- Centre for Sight, East Grinstead, West Sussex, UK
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Gabrić K, Gabrić N, Piñero DP, Gabrić I. Comparative Analysis of the Clinical Outcomes of Two Toric Presbyopia-Correcting Intraocular Lenses. Ophthalmol Ther 2024; 13:775-790. [PMID: 38240999 PMCID: PMC10853117 DOI: 10.1007/s40123-023-00878-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 12/20/2023] [Indexed: 02/10/2024] Open
Abstract
INTRODUCTION To evaluate and compare the clinical outcomes of two toric presbyopia-correcting intraocular lenses (IOLs). METHODS Non-randomized prospective comparative study including 86 eyes of 51 patients (age 43-83 years) that underwent cataract surgery with implantation of one of the following two IOLs: TECNIS Toric Synergy (Johnson & Johnson Vision) (Synergy group) or AT LISA tri toric 939MP (Carl Zeiss Meditec) (ATLISA group). Visual and refractive outcomes were evaluated during a 6-month follow-up. RESULTS At 6 months after surgery, all eyes achieved uncorrected distance visual acuity 20/25 or better in both groups, whereas 96.2% and 100% of eyes achieved uncorrected near visual acuity (UNVA) 20/25 or better in the ATLISA and Synergy groups, respectively. All eyes achieved postoperative mesopic UNVA 20/30 or better in both IOL groups; 96.2% and 100% of eyes had a manifest cylinder ≤ 0.50 D at 6 months in ATLISA and Synergy groups, respectively. Mean magnitude of error was 0.04 ± 0.20 and - 0.04 ± 0.09 D in ATLISA and Synergy groups, respectively (p = 0.05). In the defocus curve, significant differences were found between IOL groups for most of distance-corrected visual acuities, except those corresponding to defocus of 0 D (p = 0.268) and - 1 D (p = 0.361). CONCLUSIONS The two toric presbyopia-correcting IOLs evaluated provide an efficacious astigmatic correction combined with a successful distance, intermediate and near visual rehabilitation. The visual performance seems to be better for most visual demands with the TECNIS Toric Synergy IOL, especially for distances closer than 40 cm.
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Affiliation(s)
- Krešimir Gabrić
- University Eye Clinic Svjetlost, Heinzelova Ul. 39, 10000, Zagreb, Croatia
| | - Nikica Gabrić
- University Eye Clinic Svjetlost, Heinzelova Ul. 39, 10000, Zagreb, Croatia
| | - David P Piñero
- Department of Optics, Pharmacology and Anatomy, University of Alicante, Alicante, Spain
| | - Ivan Gabrić
- University Eye Clinic Svjetlost, Heinzelova Ul. 39, 10000, Zagreb, Croatia.
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Paredes B, Mora J, Martín MD, Larrosa A, Piñero DP. Short-term clinical results with a trifocal diffractive toric intraocular lens using an optimized preoperative and intraoperative protocol. Eur J Ophthalmol 2024; 34:146-153. [PMID: 37093755 DOI: 10.1177/11206721231171427] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
PURPOSE To evaluate the short-term clinical outcomes of a specific toric diffractive trifocal intraocular lens (IOL) implanted following an optimized clinical protocol in a large population. METHODS Retrospective analysis of 337 eyes of 231 patients (mean age, 62.2 years) undergoing cataract surgery with implantation of the trifocal diffractive IOL AT.LISA tri toric 939M/MP (Carl Zeiss Meditec). A strict and careful clinical protocol was followed, including an accurate measurement of corneal astigmatism, use of a latest generation IOL power calculator, photography-based method intraoperative control of IOL alignment and IOL reposition at 1 week postoperatively if needed. Clinical outcomes in terms of visual acuity, refraction, efficacy of astigmatic correction analysed by vector analysis and patient satisfaction were evaluated during a 3-month follow-up. RESULTS A total of 82% and 98% of eyes achieved a postoperative uncorrected distance visual acuity of 0.00 and 0.10 logMAR or better, respectively. Furthermore, 99.7%, and 100.0% of eyes showed a postoperative spherical equivalent within ± 0.50 D and ± 1.00 D, with 97.9% of eyes having a postoperative cylinder ≤ 0.50 D. Uncorrected near and intermediate visual acuities were 0.2 logMAR or better in 89.0% and 99.1% of eyes, respectively. Mean difference vector, magnitude of error and angle of error were 0.02 ± 0.14 D, 0.02 ± 0.13 D and 0.11 ± 1.18°. Patient satisfaction was referred as high or very high by 97.6% of patients. CONCLUSIONS The implantation of the trifocal toric IOL evaluated following a careful clinical protocol provides an efficacious visual rehabilitation and astigmatic correction, leading to high levels of patient satisfaction.
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Affiliation(s)
| | | | | | | | - David P Piñero
- Department of Optics, Pharmacology and Anatomy, University of Alicante, Alicante, Spain
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Piñero DP, Maldonado-López MJ, Molina-Martin A, García-Sánchez N, Ramón ML, Rincón JL, Holgueras A, Arenillas JF, Planchuelo-Gómez Á, Leal-Vega L, Coco-Martín MB. Randomised placebo-controlled clinical trial evaluating the impact of a new visual rehabilitation program on neuroadaptation in patients implanted with trifocal intraocular lenses. Int Ophthalmol 2023; 43:4035-4053. [PMID: 37464228 PMCID: PMC10520183 DOI: 10.1007/s10792-023-02809-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 06/29/2023] [Indexed: 07/20/2023]
Abstract
PURPOSE To evaluate the efficacy of a new visual training program for improving the visual function in patients implanted with trifocal intraocular lenses (IOLs). METHODS Randomised placebo-controlled clinical trial enrolling 60 subjects (age, 47-75 years) undergoing cataract surgery with implantation of trifocal diffractive IOL. Home-based active visual training was prescribed immediately after surgery to all of them (20 sessions, 30 min): 31 subjects using a serious game based on Gabor patches (study group) and 29 using a placebo software (placebo group). Visual acuity, contrast sensitivity (CS), and perception of visual disturbances (QoV questionnaire) were evaluated before and after training. Likewise, in a small subgroup, resting-state functional magnetic resonance imaging (rs-fMRI) analysis was performed. RESULTS No significant differences were found between groups in compliance time (p = 0.70). After training, only significant improvements in monocular uncorrected intermediate visual acuity were found in the study group (p ≤ 0.01), although differences between groups did not reach statistical significance (p ≥ 0.11). Likewise, significantly better binocular far CS values were found in the study group for the spatial frequencies of 6 (p = 0.01) and 12 cpd (p = 0.03). More visual symptoms of the QoV questionnaire experienced a significant change in the level of bothersomeness in the study group. Rs-fMRI revealed the presence significant changes reflecting higher functional connectivity after the training with the serious game. CONCLUSIONS A 3-week visual training program based on the use of Gabor patches after bilateral implantation of trifocal diffractive IOLs may be beneficial for optimising the visual function, with neural changes associated suggesting an acceleration of neuroadaptation. Trial registration ClinicalTrials.gov, NCT04985097. Registered 02 August 2021, https://clinicaltrials.gov/(NCT04985097 ).
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Affiliation(s)
- David P Piñero
- Group of Optics and Visual Perception, Department of Optics, Pharmacology and Anatomy, University of Alicante, Crta San Vicente del Raspeig S/N, 03016, San Vicente del Raspeig, Alicante, Spain.
- Department of Ophthalmology, Vithas Medimar International Hospital, Alicante, Spain.
| | - Miguel J Maldonado-López
- Grupo de Cirugía Refractiva y Rehabilitación Visual, Instituto Universitario de Oftalmobiología Aplicada (IOBA), University of Valladolid, Valladolid, Spain
| | - Ainhoa Molina-Martin
- Group of Optics and Visual Perception, Department of Optics, Pharmacology and Anatomy, University of Alicante, Crta San Vicente del Raspeig S/N, 03016, San Vicente del Raspeig, Alicante, Spain
| | | | - María L Ramón
- Department of Ophthalmology, Vithas Medimar International Hospital, Alicante, Spain
| | - José L Rincón
- Department of Ophthalmology, Vithas Medimar International Hospital, Alicante, Spain
| | - Alfredo Holgueras
- Grupo de Cirugía Refractiva y Rehabilitación Visual, Instituto Universitario de Oftalmobiología Aplicada (IOBA), University of Valladolid, Valladolid, Spain
| | - Juan F Arenillas
- Group of Applied Clinical Neurosciences and Advanced Data Analysis, Department of Medicine, Dermatology and Toxicology, University of Valladolid, Valladolid, Spain
- Stroke Unit and Stroke Program, Department of Neurology, University Clinical Hospital, University of Valladolid, Valladolid, Spain
| | | | - Luis Leal-Vega
- Grupo de Cirugía Refractiva y Rehabilitación Visual, Instituto Universitario de Oftalmobiología Aplicada (IOBA), University of Valladolid, Valladolid, Spain
| | - María Begoña Coco-Martín
- Grupo de Cirugía Refractiva y Rehabilitación Visual, Instituto Universitario de Oftalmobiología Aplicada (IOBA), University of Valladolid, Valladolid, Spain
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Tañá-Rivero P, Rodríguez-Carrillo MD, Tañá-Sanz P, Ruiz-Santos M, Tañá-Sanz S. Clinical outcomes of trifocal toric intraocular lenses. Eur J Ophthalmol 2023; 33:1773-1785. [PMID: 36788496 DOI: 10.1177/11206721231155047] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
The purpose of this report is to summarize the visual and refractive outcomes of patients with trifocal toric intraocular lens (IOL) implants. A peer-reviewed literature search in different databases was carried out to identify clinical publications reporting outcomes of patients with this type of implant. The analysis considered information on the sample of eyes, type and power of the trifocal toric IOLs, biometric preoperative data, postoperative refraction, rotational stability, visual acuity at different distances and other analyses undertaken, such as contrast sensitivity or quality of vision questionnaires. 20 clinical studies, encompassing a total of 1404 eyes implanted with three commercially available trifocal toric IOLs, were included in this review. The analysis assessed the outcomes reported for the AT LISA tri toric 939MP IOL, involving 3 articles and 313 eyes; the FineVision toric POD FT IOL, with 7 articles studying 370 eyes, and the AcrySof IQ PanOptix toric IOL, involving 11 articles and 721 eyes. Our assessment of the outcomes of the various studies indicates that the efficacy of the refractive correction (both sphere and cylinder) and visual acuity at different distances was similar between the IOL models. The same was found for the patients' quality of vision and satisfaction levels, in addition to photic phenomena reported. The outcomes summarized in this report lead us to conclude that the use of trifocal toric IOLs allows complete visual restoration over a wide range of distances.
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Ang RET. Long-term trifocal toric intraocular lens outcomes in Asian eyes after cataract surgery. J Cataract Refract Surg 2023; 49:832-839. [PMID: 37482666 DOI: 10.1097/j.jcrs.0000000000001195] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 04/05/2023] [Indexed: 07/25/2023]
Abstract
PURPOSE To determine the visual and refractive outcomes of trifocal toric intraocular lens (IOL) implantation in Asian eyes with cataract and astigmatism. SETTING Asian Eye Institute, Makati City, Philippines. DESIGN Prospective study. METHODS 187 eyes were implanted with the FineVision POD FT IOL and followed for 2 years. The measurements included subjective refraction, uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), uncorrected intermediate visual acuity (UIVA), distance-corrected intermediate visual acuity (DCIVA), uncorrected near visual acuity (UNVA), distance-corrected near visual acuity (DCNVA), defocus curve, photopic and mesopic contrast sensitivity, and rotational stability. RESULTS The mean spherical equivalent and cylinder values were, respectively, -0.07 ± 0.34 diopters (D) and -0.48 ± 0.31 D at the 2-year follow-up. At this same follow-up, 69.4% of patients had monocular CDVA and 79.3% had binocular UDVA ≤0.0 logMAR. For intermediate vision, monocular DCIVA reached 74.1%, while binocular UIVA was 86.2% ≤ 0.1 logMAR. Near vision showed 63% for monocular DCNVA and 70.7% for binocular UNVA ≤0.1 logMAR. The mean values at this follow-up were 0.02 ± 0.08, 0.08 ± 0.10, and 0.10 ± 0.12 logMAR for CDVA, DCIVA, and DCNVA, respectively. At the visual acuity threshold of ≤0.20 logMAR, the binocular defocus curve extended up to -3.75 D. Stable contrast sensitivity values were obtained at the different follow-ups. The mean IOL rotation was ≤2 degrees. CONCLUSIONS The FineVision POD FT IOL yielded good visual outcomes at far, near, and intermediate distances with accurate refractive outcomes and good rotational stability in Asian eyes.
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Zhang J, Wu Y, Sharma B, Gupta R, Jawla S, Bullimore MA. Epidemiology and Burden of Astigmatism: A Systematic Literature Review. Optom Vis Sci 2023; 100:218-231. [PMID: 36749017 PMCID: PMC10045990 DOI: 10.1097/opx.0000000000001998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 01/15/2023] [Indexed: 02/08/2023] Open
Abstract
SIGNIFICANCE This is the first literature review to report the epidemiology, patient burden, and economic burden of astigmatism in the general adult population. The unmet needs of astigmatism patients with coexisting ocular conditions (cataract, glaucoma, dry eye, presbyopia, or macular degeneration) and risks associated with untreated astigmatism are also reviewed and reported. PURPOSE This study aimed to identify, report, and summarize the published literature on epidemiology, patient burden, and economic burden of astigmatism using a systematic literature review. METHODS MEDLINE, EMBASE, and Cochrane Library databases were searched (January 1996 to May 2021). Search results were limited to the English language. Proceedings (2018 to 2021) from ophthalmology congresses were searched along with gray literature using the Google Scholar platform. RESULTS The literature search yielded 6804 citations, of which 125 met the inclusion criteria (epidemiology, 68; patient burden, 60; economic burden, 6). Astigmatism prevalence in the general population varied from 8 to 62%, with higher rates in individuals 70 years or older. The prevalence of with-the-rule astigmatism was higher in individuals 40 years or younger, whereas rates of against-the-rule and oblique astigmatism increased with age. Astigmatic patients experienced decreased vision quality, increased glare (53 to 77%), haloes (28 to 80%), night-time driving difficulties (66%), falls, and spectacle dependence (45 to 85%). Astigmatic patients performed vision-related tasks slower (1 D, 9% slower; 2 D, 29% slower) and made more errors (1 D, 38% more errors; 2 D, 370% more errors) compared with fully corrected individuals. In cataract patients with astigmatism, the annual mean per-patient productivity loss costs ranged from €55 ($71) to €84 ($108), and mean informal care costs ranged from €30 ($39) to €55 ($71) with a mean of 2.3 to 4.1 hours spent on informal care. CONCLUSIONS Uncorrected astigmatism decreases patients' vision-related quality of life, decreases productivity among working-age adults, and poses an economic burden on patients and their families.
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Affiliation(s)
| | - Yifei Wu
- Alcon Vision LLC, Fort Worth, Texas
| | - Bhavna Sharma
- Skyward Analytics Pvt. Ltd., Gurugram, Haryana, India
| | - Ritu Gupta
- Skyward Analytics Pvt. Ltd., Gurugram, Haryana, India
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Bellucci C, Panico A, Tedesco SA, Carta A, Gandolfi S, Bellucci R, Mora P. One-dioptre toric IOL versus spherical IOL in eyes with low preoperative corneal astigmatism. Int Ophthalmol 2022; 43:1711-1719. [PMID: 36418805 PMCID: PMC10149477 DOI: 10.1007/s10792-022-02571-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 11/12/2022] [Indexed: 11/25/2022]
Abstract
Abstract
Purpose
To investigate the advantages/disadvantages of a 1.0 D toric IOL vs spherical IOL after regular phacoemulsification in eyes with preoperative astigmatism ≤ 1 D.
Methods
Retrospective comparative series involving pseudophakic eyes with preoperative topographic astigmatism ≤ 1.0 D implanted either with monofocal 1.0 D Toric IOL (T-group), or with spherical IOL (S-group). The postoperative refractive astigmatism (PRA, i.e. surgically induced + corneal) was the main outcome; also considered in the analyses were the uncorrected and best-corrected distance visual acuity (VA). The data were referred to the last postoperative follow-up visit, 2 to 4 months after surgery.
Results
A total of 60 eyes were included: 30 in the T-group and 30 in the S-group, matched for patient’s age, laterality, and axial length. Before surgery, the mean corneal astigmatism was 0.62 ± 0.39 D in the T-group and 0.54 ± 0.33 D in the S-group (p = 0.4). In the S-group, PRA was 0.73 ± 0.37 D, higher than the corresponding preoperative corneal astigmatism (p = 0.040). In the T-group, PRA was 0.58 ± 0.31 D; the variation was not statistically significant. Uncorrected VA was significantly better in the T-group vs the S-group (p = 0.007), and the best-corrected VA was comparable in the two groups.
Conclusion
The present study indicated that in eyes with very low preoperative astigmatism, 1.0 D toric IOLs were able to limit the increase of the PRA instead of those observed with the spherical IOLs. This could support the better uncorrected VA recorded in the T-group.
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Affiliation(s)
- Carlo Bellucci
- Ophthalmology Unit, Department of Medicine and Surgery, University of Parma - Via Gramsci 14, 43126, Parma, Italy.
| | - Angela Panico
- San Giuseppe E Melorio Hospital, Santa Maria Capua Vetere, Italy
| | - Salvatore A Tedesco
- Ophthalmology Unit, Department of Medicine and Surgery, University of Parma - Via Gramsci 14, 43126, Parma, Italy
| | - Arturo Carta
- Ophthalmology Unit, Department of Medicine and Surgery, University of Parma - Via Gramsci 14, 43126, Parma, Italy
| | - Stefano Gandolfi
- Ophthalmology Unit, Department of Medicine and Surgery, University of Parma - Via Gramsci 14, 43126, Parma, Italy
| | | | - Paolo Mora
- Ophthalmology Unit, Department of Medicine and Surgery, University of Parma - Via Gramsci 14, 43126, Parma, Italy
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Yoo YS, Paik DW, Lim DH, Chung TY. One-year long-term clinical outcomes following diffractive trifocal toric intraocular lens implantation: retrospective observational case series study. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1159. [PMID: 36467347 PMCID: PMC9708482 DOI: 10.21037/atm-22-1007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 09/23/2022] [Indexed: 06/28/2024]
Abstract
BACKGROUND Trifocal intraocular lens (IOL) provides three foci for the external light to the eye. The reduction of corneal astigmatism makes three foci to clearly focus on the fovea. This study aimed to evaluate one-year clinical outcomes for near, intermediate, and far distance visual acuity and satisfaction in patients implanted with diffractive trifocal toric IOLs. METHODS This retrospective observational case series study was based on the medical records of patients who undergone uncomplicated cataract surgery with implantation of a trifocal toric IOL (POD AY 26P F-T FineVision Toric; PhysIOL SA, Liège, Belgium). Eyes with corneal astigmatism greater than 1.00 diopters were included. Postoperative evaluations included uncorrected near, intermediate, and distance and corrected distance visual acuity; defocus curves; and contrast sensitivity measured at both three months and one-year postoperatively. Subjective satisfaction was evaluated based on three kinds of questionnaires for spectacle dependence, quality of vision, and overall satisfaction. RESULTS Postoperative uncorrected distance visual acuity and that at 33, 43, 50, 60, and 80 cm at one-year were 0.07±0.08, 0.22±0.11, 0.17±0.11, 0.14±0.10, 0.14±0.10, and 0.15±0.10 logarithm of the minimal angle of resolution (logMAR), respectively. A smooth range of good visual acuity was found on defocus curve. Subjective scores for spectacle dependence, quality of vision, and subjective satisfaction showed no significant differences between three months and one-year postoperatively. The mean amount of IOL axis rotation was 2.14±1.72° (range: 0.2-5.1°) at one-year postoperatively. CONCLUSIONS Implantation of a diffractive trifocal toric IOL for cataract, presbyopia, and astigmatism correction provided good refractive and visual outcomes, relatively smooth range of intermediate vision, and high levels of visual quality and patient satisfaction until one-year after surgery.
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Affiliation(s)
- Young-Sik Yoo
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
- Department of Ophthalmology, College of Medicine, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Dong Won Paik
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
- Eyeonce Eye Clinic, Seoul, South Korea
| | - Dong Hui Lim
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
- Department of Medical Device Management and Research, Samsung Advanced Institute for Health Sciences and Technology, Sungkyunkwan University, Seoul, South Korea
| | - Tae-Young Chung
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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In Vitro Chromatic Performance of Three Presbyopia-Correcting Intraocular Lenses with Different Optical Designs. J Clin Med 2022; 11:jcm11051212. [PMID: 35268303 PMCID: PMC8910850 DOI: 10.3390/jcm11051212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/20/2022] [Accepted: 02/22/2022] [Indexed: 01/05/2023] Open
Abstract
Most of the new premium models of intraocular lenses for presbyopia correction use diffractive optics in their optical design. The presence of multiple foci and the difference of the diffractive efficiency for different wavelengths have a great impact in the lens optical performance. In this context, there is a limited information available for clinicians to understand the optical principles that differentiate each design and their potential influence on clinical outcomes. Optical bench studies with polychromatic light are necessary to solve this limitation. In this work, a custom made optical bench was employed to assess with polychromatic light the through the focus optical quality of three different IOL designs: trifocal, EDOF effect; and enhanced monofocal. By using different and complimentary approaches: images of the USAF test, axial PSFs and TF-MTFs, each design revealed its intrinsic features, which were not previously reported for these IOLs models in a comparative way. It was found that the chromatic aberration plays a very important role in the performance of each IOL. Our results could help clinicians to understand the optical principle of each lens and also provide useful information for choosing the lens that best suits the needs of the individual patient.
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13
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Seki Y, Kawamorita T, Yamamoto N, Tanigawa T, Mita N, Hatsusaka N, Kubo E, Sasaki H. Analyzing Effect of Waterclefts on Visual Functions Via Optical Simulations. Invest Ophthalmol Vis Sci 2022; 63:22. [PMID: 35147660 PMCID: PMC8842529 DOI: 10.1167/iovs.63.2.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To investigate the impact of the size and location of waterclefts (WC), which are one of several cataract subtypes, on visual function by optical simulation analysis. Methods An optical simulation software (CODE V) was used to develop a schematic eye model and several sizes of WC central and peripheral types that were located below the anterior and posterior subcapsules of the crystalline lens, and analyses of refraction, higher-order aberrations (HOA), and the modulation transfer function (MTF) were performed. Results An increase in the WC size increased the refraction and HOA and decreased the MTF. The impact of the WC below the posterior subcapsule on the visual function was more enhanced than that below the anterior subcapsule. Large WC demonstrated a remarkable hyperopic shift in refractive power as well as an increase in HOA. The MTF decreased slightly with increasing WC size at a spatial frequency of 20 cycles/mm, and it decreased remarkably at 60 cycles/mm. Conclusions The impact on the visual function increased with increasing WC size. It was revealed that eyes with WC below the posterior subcapsule are more hyperopic than those with WC below the anterior subcapsule, and the former have a higher HOA and lower MTF than the latter.
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Affiliation(s)
- Yusuke Seki
- Division of Vision Research, Kanazawa Medical University Graduate School of Medical Science, Kahoku, Ishikawa, Japan.,Medical Technology Division, Kanazawa Medical University Hospital, Kahoku, Ishikawa, Japan
| | - Takushi Kawamorita
- Orthoptics and Visual Science Course, School of Allied Health Sciences, Kitasato University, Sagamihara, Kanagawa, Japan
| | - Naoki Yamamoto
- Department of Ophthalmology, Kanazawa Medical University, Kahoku, Ishikawa, Japan.,Center for Clinical Trial and Research Support, Research Promotion and Support Headquarters, Fujita Health University, Toyoake, Aichi, Japan
| | - Takashi Tanigawa
- Engineering Department, CAE Division II, CAE BU., Cybernet Systems Co., Ltd., Chiyoda-ku, Tokyo, Japan
| | - Norihiro Mita
- Medical Technology Division, Kanazawa Medical University Hospital, Kahoku, Ishikawa, Japan
| | - Natsuko Hatsusaka
- Department of Ophthalmology, Kanazawa Medical University, Kahoku, Ishikawa, Japan
| | - Eri Kubo
- Department of Ophthalmology, Kanazawa Medical University, Kahoku, Ishikawa, Japan
| | - Hiroshi Sasaki
- Department of Ophthalmology, Kanazawa Medical University, Kahoku, Ishikawa, Japan
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Donmez O, Asena BS, Aydin Akova Y. Subjective and objective clinical outcomes of a new trifocal toric intraocular lens and effect of femtosecond laser cataract surgery. Eur J Ophthalmol 2021; 32:2225-2233. [PMID: 34528478 DOI: 10.1177/11206721211046496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To evaluate the clinical outcomes and quality of life following implantation of PanOptix toric intraocular lens (IOL) and to compare the outcomes following femtosecond laser assisted cataract surgery (FLACS) and standard cataract surgery (SCS). METHODS This comparative retrospective study included 79 eyes of 55 patients underwent cataract or refractive lens exchange surgery between April 2017 and January 2020 in Bayindir Hospital and Kaskaloglu Eye Hospital. Corneal (CA) and refractive astigmatism (RA), uncorrected visual acuities for distant, intermediate, and near (UDVA, UIVA, and UNVA), low contrast distance visual acuity, rotational stability, defocus curves, photopic and mesopic contrast sensitivity (CS), visual function-14 (VF-14) test, presence of dysphotopsia, and need for spectacles were evaluated at postoperative third month. Outcomes were compared between FLACS and SCS group. RESULTS The mean UDVA, UIVA, and UNVA were 0.05 ± 0.07, 0.08 ± 0.08, and 0.06 ± 0.07 logMAR, respectively. All patients achieved ⩾0.3 logMAR uncorrected visual acuity for all distances. UDVA was found significantly better in FLACS group (p = 0.03). All eyes had ⩽1 D of subjective postoperative RA. Defocus curve had two peaks at 0 and -1.50 D. Spectacle independence was achieved in 88.7% of patients. Photopic and mesopic CS was within normal range in all patients. The mean VF-14 score was 98 ± 2. The mean IOL axis rotation was 2.1° ± 2.3°. Only one patient reported seeing disturbing halos. CONCLUSIONS This trifocal toric IOL effectively reduced refractive astigmatism and provided excellent visual outcomes with high spectacle independence, patients' satisfaction, and good rotational stability. FLACS might have an impact on optimal postoperative results.
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Affiliation(s)
- Oya Donmez
- Tinaztepe University Galen Hospital, Izmir, Turkey
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15
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Preliminary Evaluation of the Clinical Benefit of a Novel Visual Rehabilitation Program in Patients Implanted with Trifocal Diffractive Intraocular Lenses: A Blinded Randomized Placebo-Controlled Clinical Trial. Brain Sci 2021; 11:brainsci11091181. [PMID: 34573202 PMCID: PMC8464827 DOI: 10.3390/brainsci11091181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 11/30/2022] Open
Abstract
The authors of this study evaluated the potential benefit on visual performance of a novel 3 week visual rehabilitation program based on the use of Gabor patches in patients undergoing bilateral cataract surgery with the implantation of two models of trifocal diffractive intraocular lens (IOL). A total of 30 patients were randomly assigned to two groups: a study group (15 patients) that used a videogame based on Gabor patches and a placebo group (15 patients) that used a videogame without specific stimuli for improving visual performance. No statistically significant differences between groups were found in distance, intermediate, and near post-training visual acuity (p ≥ 0.15). Significantly better distance contrast sensitivity (CS) was found for the spatial frequencies of 6 (p = 0.02) and 12 cpd (p = 0.01) in the study group. Likewise, significantly better values of near CS were found in the study group compared to the placebo group for the spatial frequency of 1.5 cpd (p = 0.02). In conclusion, a 3 week visual rehabilitation program based on the use of Gabor patches in the immediate postoperative period after the bilateral implantation of trifocal diffractive IOLs seems to be beneficial for improving both distance and near visual performance achieved with the implant.
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Ruiz-Alcocer J, Martínez-Alberquilla I, Rementería-Capelo LA, De Gracia P, Lorente-Velázquez A. Changes in Optical Quality Induced by Tilt and Decentration of a Trifocal IOL and a Novel Extended Depth of Focus IOL in Eyes With Corneal Myopic Ablations. J Refract Surg 2021; 37:532-537. [PMID: 34388070 DOI: 10.3928/1081597x-20210518-03] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE To assess the effect of decentration and tilt combined with prior myopic ablations on the optical performance of a trifocal intraocular lens (IOL) and a novel IOL with an extended depth of focus (EDOF) design. METHODS The XACT Mono-EDOF ME4 (Santen Pharmaceutical Co Ltd) and the trifocal FineVision (PhysIOL) IOLs were analyzed with and without simulated previous myopic ablations. The optical quality of the IOLs was evaluated with the PMTF optical bench (LAMBDA-X). The through-focus modulation transfer function (MTF) curves were recorded. Measurements were done for three situations: centered, 0.4 mm decentered, and 4 degrees tilted. RESULTS The trifocal IOL showed three peaks of vision and the EDOF IOL showed a far distance peak with intermediate addition. When decentration or tilt were induced, the trifocal IOL showed negligible changes but the EDOF IOL showed a -0.50 diopters (D) shift of the overall curve. With simulated myopic ablation, the trifocal IOL showed a -0.50 D shift of the curve. When tilt or decentration were also induced, the better optical results were found at -1.00 D. With myopic ablations, the EDOF IOL showed a -0.50 D shift of the optical quality and when decentration or tilt were then induced, negative shifts over -1.00 D were found. CONCLUSIONS The trifocal IOL was less affected by mis-alignments. When myopic ablations were induced, both lenses decreased their optical quality and the effects of misalignments were higher. In patients who have undergone corneal myopic ablation procedures, proper alignment of the implanted IOL and obtaining effective emmetropia becomes even more critical. [J Refract Surg. 2021;37(8):532-537.].
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Abstract
PURPOSE To compare the clinical outcomes obtained after implantation of 1 of 3 models of diffractive trifocal IOLs. SETTING Hospital da Luz, Lisbon, Portugal. DESIGN Prospective randomized comparative study. METHODS Patients undergoing cataract surgery with bilateral implantation of 1 of 3 models of diffractive trifocal IOLs were enrolled. The IOL models implanted were the FineVision POD F, RayOne Trifocal, or the AcrySof IQ PanOptix IOL (30 eyes of 15 patients in each group). Visual acuity (VA), refraction, defocus curve, and contrast sensitivity outcomes were evaluated during a 3-month follow-up. Furthermore, the Quality of Vision questionnaire (QoV) was used to evaluate the frequency, severity, and discomfort of different visual symptoms. RESULTS A total of 90 eyes of 45 patients were included. No statistically significant differences were found between groups in distance, intermediate, and near VA (P ≥ .112) and postoperative refraction (P ≥ .059). Postoperative binocular uncorrected intermediate VA of 0.10 logarithm of the minimum angle of resolution (logMAR) or better was found in 14 (93.33%) patients in the 3 groups. Postoperative binocular uncorrected near VA of 0.10 logMAR or better was found in 13 (86.67%), 14 (93.33%), and 13 (86.67%) patients in the POD F, RayOne, and PanOptix IOLs groups, respectively. No statistically significant differences were found between groups in scotopic contrast sensitivity with and without glare and in the QoV scores (P ≥ .057), except for the difference between the POD F and RayOne IOLs groups in depth perception severity, which was less in the RayOne IOL group (P = .019). CONCLUSIONS The 3 trifocal IOLs evaluated provided a complete visual restoration with good visual quality outcomes.
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Abstract
PURPOSE To compare clinical outcomes after cataract surgery and bilateral implantation of 2 diffractive trifocal toric intraocular lenses (IOLs). SETTING Hospital da Luz, Lisbon, Portugal. DESIGN Double-arm, randomized, prospective case series. METHODS A total of 60 patients were randomly allocated to receive bilateral implantation of either the FineVision Pod FT toric IOL (PhysIOL) or the AcrySof IQ PanOptix toric IOL (Alcon). Visual and refractive outcomes, contrast sensitivity, IOL misalignment, and quality of vision outcomes (QoV questionnaire) were evaluated at 3 months postoperatively. Surgically induced astigmatic changes were evaluated by vector analysis. RESULTS Each group (FineVision toric and AcrySof IQ PanOptix toric) comprised 30 patients (60 eyes). No significant differences between groups were found regarding uncorrected and corrected distance and near visual outcomes (P ≥ .333). Mean postoperative distance-corrected intermediate visual acuity at 60 cm was 0.04 ± 0.09 logarithm of the minimum angle of resolution (logMAR) and 0.09 ± 0.11 logMAR in the PanOptix and Pod FT group, respectively (P = .032). Mean IOL axis misalignment was 1.59 degrees ± 2.15 degrees (PanOptix group) and 1.89 degrees ± 3.31 degrees (Pod FT group) (P = .821). Mean magnitude of error of astigmatic correction was -0.09 diopters (D) and -0.11 D in the PanOptix group and Pod FT group, respectively (P = .333). Contrast sensitivity, QoV scores for the presence of photic phenomena, and the level of spectacle independence were similar in both groups (P > .05). CONCLUSIONS Both trifocal toric IOLs allowed complete patient visual restoration, and good spectacle independence and good visual quality outcomes. The PanOptix IOL provided superior intermediate visual acuity for distances around 60 cm.
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Eldanasoury A, Tolees S, Bains HS. Clinical Outcomes After Phacoemulsification With Implantation of Trifocal and Toric Trifocal Intraocular Lenses. J Refract Surg 2021; 37:372-379. [PMID: 34170777 DOI: 10.3928/1081597x-20210217-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE To evaluate the visual and refractive outcomes, visual quality, patient satisfaction, and spectacle independence after phacoemulsification with bilateral implantation of a diffractive trifocal intraocular lens (IOL). METHODS The study sample comprised 36 consecutive patients (72 eyes). Twenty-three (64%) patients underwent refractive lens exchange and 13 (36%) underwent cataract surgery. Exclusion criteria included previous ocular surgery, corneal higher order aberrations of greater than 0.4 µm, angle kappa of greater than 0.6 mm, and corneal astigmatism of greater than 5.00 diopters (D). All eyes were targeted for emmetropia. A toric IOL was used in 35 (48.6%%) eyes with corneal astigmatism of greater than 1.00 D. Uncorrected distance visual acuity (UDVA) and distance-corrected visual acuity were measured at 4 m and 80 and 40 cm. Patients underwent routine ophthalmic examination for 6 months postoperatively. Patient satisfaction was assessed with a subjective questionnaire at 6 months postoperatively. A P value of less than .05 was statistically significant. RESULTS At 6 months postoperatively, the mean manifest refractive spherical equivalent was -0.01 ± 0.51 D. Binocular UDVA at 4 m and 80 and 40 cm was -0.02 ± 0.10, -0.07 ± 0.11, and 0.08 ± 0.10 logMAR, respectively. Binocular defocus curves presented two peaks of -0.07 and -0.02 logMAR for 0.00 and -2.00 D defocus, respectively. The Objective Scatter Index score decreased significantly in the cataract group and increased significantly in the refractive lens exchange group (P < .05, both cases). All patients were satisfied or very satisfied with the postoperative outcome. CONCLUSIONS Bilateral implantation of a diffractive trifocal IOL resulted in good visual performance at all distances with high patient satisfaction and spectacle independence at 6 months postoperatively. [J Refract Surg. 2021;37(6):372-379.].
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Rementería-Capelo LA, Contreras I, García-Perez JL, Carrillo V, Gros-Otero J, Ruiz-Alcocer J. Tolerance to Residual Refractive Errors After Trifocal and Trifocal Toric Intraocular Lens Implantation. Eye Contact Lens 2021; 47:213-218. [PMID: 33323876 DOI: 10.1097/icl.0000000000000726] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The objective of this study was to assess the impact of 0.50 diopter (D) positive or negative defocus on visual function in patients implanted with trifocal and trifocal toric intraocular lenses (IOLs). METHODS The study included patients implanted with the AcrySof IQ PanOptix IOL or the PanOptix Toric. Visual acuity (VA) at high (100%), medium (50%) and low (10%) contrast, contrast sensitivity function (CSF), and halo perception were assessed three months after surgery. Explorations were performed with corrected distance visual acuity (CDVA), with a positive defocus of +0.50D (myopization) and with a negative defocus of -0.50D (hyperopization). RESULTS The study included 60 eyes of 60 patients (30 eyes with PanOptix and 30 eyes with PanOptix Toric). For both groups, VA was better for all contrast settings at the CDVA situation (P<0.05 in all cases). For low spatial frequencies, no differences in CSF were found among the three refractive situations in either group. For higher frequencies, the results showed an overall trend for better CSF results for the CDVA situation. The halo effect was lower for the CDVA situation if compared to myopization and hyperopization in both the PanOptix and the PanOptix Toric groups (P<0.05 for all cases). CONCLUSIONS There is an impact on visual quality and halo perception in patients implanted with trifocal or trifocal toric IOLs even for low residual refractive errors.
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Affiliation(s)
- Laureano A Rementería-Capelo
- Clínica Rementería (L.A.R.-C., I.C., J.L.G.-P., V.C., J.G.-O.), Madrid, Spain; Hospital Universitario Ramón y Cajal (I.C.), Madrid, Spain; Instituto Ramón y Cajal de Investigaciones Sanitarias (IRYCIS) (I.C.), Madrid, Spain ; and Departamento de Optometría y Visión, Universidad Complutense de Madrid (J.R.-A.), Madrid, Spain
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21
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Visual outcomes and patient satisfaction after implantation of a presbyopia-correcting intraocular lens that combines EDOF and Multifocal profiles. J Cataract Refract Surg 2021; 47:1448-1453. [PMID: 33929808 DOI: 10.1097/j.jcrs.0000000000000659] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 03/23/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE To evaluate clinical outcomes delivered by a new hybrid presbyopia-correcting intraocular lens: Tecnis Synergy ZFR00V IOL model (Johnson & Johnson Vision) SETTING:: Hospital da Luz Lisboa, Lisbon, Portugal DESIGN:: Prospective observational study METHODS:: A total of 27 patients undergoing bilateral IOL implantation were included. Visual acuity (VA) was measured for far distance, intermediate (66 cm) and near (40 cm) vision under both photopic and mesopic conditions. In addition, at the 3-month follow-up visit, the defocus curve was obtained for binocular vision and questionnaires were administered to measure spectacle-independence and level of satisfaction (QoV and Catquest-SF9) with the surgical outcomes. RESULTS At 3-month follow-up, under photopic conditions, VA values were: CDVA = -0.02 ± 0.07, DCIVA = 0.03 ± 0.11, and DCNVA = 0.00 ± 0.08, while under mesopic conditions, VA values were: CDVA = -0.01 ± 0.05, and DCNVA = 0.07 ± 0.09. The binocular defocus curve revealed that mean visual acuity was better than 0.30 LogMAR within the +1.00 D to -4.00 D interval, and better than 0.10 LogMAR between +0.50 D and -3.00 D. All patients achieved distance-vision spectacle freedom, while 3.7% of them said they used them in certain intermediate- or near-vision situations. As much as 88% of the patients reported being fairly satisfied or very satisfied. CONCLUSIONS The Tecnis Synergy ZFR00V intraocular lens model used for cataract surgery is capable of restoring visual function while providing very good intermediate and near vision, under both photopic and mesopic conditions, resulting in a high level of patient satisfaction.
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Ruiz-Alcocer J, Martínez-Alberquilla I, Lorente-Velázquez A, Alfonso JF, Madrid-Costa D. Effect of defocus combined with rotation on the optical performance of trifocal toric IOLs. Eur J Ophthalmol 2021; 32:249-254. [PMID: 33706567 DOI: 10.1177/11206721211002121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To objectively analyze the optical quality of the FineVision Toric intraocular lens (IOL) with two cylinder powers when different combinations of rotations and residual refractive errors are induced. METHODS This study assessed the FineVision Toric IOL with two different cylinder powers: 1.5 and 3.0 diopters (D). Three different rotation positions were considered: centered, 5° and 10° rotated. An optical bench (PMTF) was used for optical analysis. The optical quality of the IOLs was calculated by the modulation transfer function (MTF) at five different focal points (0.0, 0.25, 0.50, 0.75, and 1.00 D). RESULTS The MTF averaged value of the reference situation was 38.58 and 37.74 for 1.5 and 3.0 D of cylinder, respectively. For the 1.5 D cylinder, the combination of 5° of rotation with a defocus of 0.25, 0.50, 0.75, and 1.0 D induced a decrease on the MTF of 12.39, 19.94, 23.43, 24.23 units, respectively. When induced rotation was 10°, the MTF decrease was 17.26, 23.40, 24.33, 24.48 units, respectively. For the 3.0 D cylinder, the combination of 5° with 0.25, 0.50, 0.75, and 1.0 D of defocus, induced a decrease on the MTF of 12.51, 18.97, 22.36, 22.48 units, respectively. When induced rotation was 10°, the MTF decrease was: 18.42, 21.57, 23.08, and 23.61 units, respectively. CONCLUSION For both FineVision Toric IOLs there is a certain optical tolerance to rotations up to 5° or residual refractive errors up to 0.25 D. Situations over these limits and their combination would affect the visual quality of patients implanted with these trifocal toric IOLs.
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Affiliation(s)
| | | | | | - José F Alfonso
- Fernández-Vega Ophthalmological Institute, Oviedo, Spain
| | - David Madrid-Costa
- Faculty of Optics and Optometry, Complutense University of Madrid, Spain
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23
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Thulasidas M, Kadam A. Toric intraocular lens: A literature review. Taiwan J Ophthalmol 2021. [DOI: 10.4103/tjo.tjo_43_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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24
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Rocha-de-Lossada C, Colmenero-Reina E, Flikier D, Castro-Alonso FJ, Rodriguez-Raton A, García-Madrona JL, Peraza-Nieves J, Sánchez-González JM. Intraocular lens power calculation formula accuracy: Comparison of 12 formulas for a trifocal hydrophilic intraocular lens. Eur J Ophthalmol 2020; 31:2981-2988. [PMID: 33339479 DOI: 10.1177/1120672120980690] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE To evaluate the accuracy of 12 intraocular lens (IOL) power formulas; Barrett Universal II, Emmetropia Verifying Optical (EVO), Haigis, Hill-Radial Basis Function (RBF), Hoffer Q, Holladay I, Kane, Ladas Super Formula, Olsen Lenstar, Panacea, Pearl-DGS, Sanders-Retzlaff-Kraff/theoretical (SRK/T). In addition, an analysis of the efficacy as a function of the axial length was performed. METHODS About 171 from 93 patients: 68 male eyes and 103 female eyes. Twelve IOL power formula calculations were studied with one IOL platform (trifocal hydrophilic IOL, FineVision Micro F), one biometer (Lenstar LS 900), one topographer (CSO Sirius Topographer), one surgeon, and one optometrist. Optimization were determined to be zeroed mean refractive prediction error. Mean error (ME), mean absolute error (MAE), median absolute error (MedAE) and refractive accuracy within ±1.00 D was calculated. Axial length was split in short and medium eyes. RESULTS One hundred and seventy eyes were included. Formulas were ranked by percentage within ±0.50 diopters and MAE (D). Among all eyes, Olsen 86.55% (0.273 D) and Barrett Universal II 86.55% (0.285D). For short eyes (<22.5 mm), Olsen 90.70% (0.273 D) and Kane 90.70% (0.225 D). For medium eyes, Barrett 89.34% (0.237 D) and Pearl 86.89% (0.263 D). CONCLUSION Olsen and Barrett formula obtained excellent accuracy for overall eyes. Kane and Olsen formula obtained the best results in short eyes. For medium axial length Barrett formula achieved the best accuracy results.
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Affiliation(s)
- Carlos Rocha-de-Lossada
- Department of Ophthalmology, Hospital Clinic de Barcelona Institut Clinic d'Oftalmologia, Barcelona, Spain.,Department of Ophthalmology, Hospital Costal del Sol, Málaga, Spain.,Department of Ophthalmology, University of Málaga, Málaga, Spain
| | | | | | | | - Alvaro Rodriguez-Raton
- Department on Anterior Segment Surgery, Instituto Oftalmológico Rodríguez-Ratón, Bilbao, Spain
| | | | - Jorge Peraza-Nieves
- Department of Ophthalmology, Hospital Clinic de Barcelona Institut Clinic d'Oftalmologia, Barcelona, Spain
| | - José-María Sánchez-González
- Department of Physics of Condensed Matter, Optics Area, University of Seville, Seville, Spain.,Department of Ophthalmology and Optometry, Tecnolaser Clinic Vision, Seville, Spain
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25
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Orts-Vila P, Aguilar-Córcoles S, Tello-Elordi C, Ramos-Alzamora M, Montés-Micó R, Tañá-Rivero P. Trifocal toric intraocular lenses in eyes with low amount of corneal astigmatism. Int J Ophthalmol 2020; 13:1567-1573. [PMID: 33078106 DOI: 10.18240/ijo.2020.10.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 06/24/2020] [Indexed: 11/23/2022] Open
Abstract
AIM To evaluate the refractive and visual outcomes following cataract surgery and implantation of a trifocal toric intraocular lens (IOL) in eyes with low degrees of corneal astigmatism. METHODS Twenty-six eyes of 22 patients who underwent implantation a trifocal toric IOL (FineVision PODFT, PhysIOL s.a., Liege, Belgium) were enrolled. Phacoemulsification with femtosecond laser, capsular tension ring insertion and intraoperative aberrometry were performed in all cases. All IOLs used showed a cylinder power of 1.00 D. Main outcome measures were refractive error and corrected-distance visual acuity (CDVA) and uncorrected-distance visual acuity (UDVA) values. Eyes were evaluated at 4mo post-surgery. RESULTS Totally 50% of eyes showed a spherical equivalent (SE) within ±0.13 D and all of them within ±0.50 D. The mean SE and refractive cylinder were -0.02±0.23 and -0.16±0.22 D, respectively. Vector analysis revealed that 100% of eyes were within ±0.50 D for the SE and cylindrical components (J0 and J45). Refractive changes were not correlated with keratometric changes (P>0.05) showing that the reduction in astigmatism comes from the trifocal toric IOL. Of 81% and 96% of eyes showed UDVA and CDVA of 20/20, respectively. The postoperative mean values of monocular distance Snellen decimal UDVA and CDVA were 0.97±0.05 and 0.99±0.02 (about 20/20), respectively. CONCLUSION Our study suggests that the use of this trifocal toric IOL in patients with low amount of astigmatism provides accurate refractive outcomes and enables them to achieve excellent visual acuity.
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Affiliation(s)
| | | | | | | | - Robert Montés-Micó
- Oftalvist Clinic, Alicante 03001, Spain.,Optics and Optometry & Vision Sciences Department, University of Valencia, Burjassot, Valencia 46100, Spain
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Poyales F, Pérez R, López-Brea I, Zhou Y, Rico L, Garzón N. Comparison of Visual Performance and Patient Satisfaction Outcomes with Two Trifocal IOLs with Similar Optical Design but Different Materials. Clin Ophthalmol 2020; 14:3237-3247. [PMID: 33116374 PMCID: PMC7569070 DOI: 10.2147/opth.s273641] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 09/25/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose To compare clinical outcomes in a prospective trial of cataract surgery patients bilaterally implanted with two different trifocal intraocular lenses (IOLs) with very similar optical designs but consisting of different IOL materials (hydrophobic and hydrophilic). Patients and Methods Fifty-one patients (102 eyes) were randomized to receive trifocal IOLs bilaterally – FineVision POD F (hydrophilic) or FineVision POD F GF (hydrophobic) (both PhysIOL, Liége, Belgium). The follow-up period was 3 months. Outcome measurements included uncorrected distance (UDVA), corrected distance (CDVA), distance-corrected intermediate (DCIVA), and distance-corrected near visual acuity (DCNVA), refraction, negative dysphotopsia, optical quality of vision, contrast sensitivity under photopic and mesopic conditions, halometry (discrimination index), and patient-reported outcomes. Results At the final study visit, mean (SD) values for binocular UDVA, CDVA, DCIVA (80 cm), and DCNVA (40 cm) were −0.01 (0.06), −0.04 (0.04), 0.09 (0.10), and 0.10 (0.09) logMAR, respectively, for POD F, and 0.01 (0.08), −0.03 (0.03), 0.08 (0.1), and 0.13 (0.11) respectively, for POD F GF. Defocus assessments showed a continuous curve with a functional range of visual acuity (≤0.15 logMAR) from ~30 cm to infinity in both groups. The discrimination index was >0.85 for all patients, and both groups showed similar contrast sensitivity under photopic and mesopic conditions. At 3 months, no patient reported negative dysphotopsia, and high satisfaction rates were observed. Conclusion Clinical outcomes showed no significant difference between each lens when measured at 1 month and 3 months after implantation. This equally good clinical performance of hydrophilic and hydrophobic trifocal lenses allows the surgeon to choose the IOL material based on personal preferences or patients’ needs.
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Affiliation(s)
| | | | | | | | | | - Nuria Garzón
- Miranza IOA, Madrid, Spain.,Optometry and Vision Department, Universidad Complutense, Madrid, Spain
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Bucci FA. <p>Multivariate Regression Analysis Identifying Predictors of Patient Satisfaction with Multifocal IOLs: +4.00/+4.00 vs +3.25/+3.25 vs +3.25/EDOF</p>. Clin Ophthalmol 2020; 14:2913-2923. [PMID: 33061277 PMCID: PMC7532312 DOI: 10.2147/opth.s261391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/18/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose To detect and compare the predictors of “overall patient satisfaction” with an EDOF/+3.25 versus +3.25/+3.25 versus +4.00/+4.00 diffractive multifocal IOLs. Setting Bucci Laser Vision Institute, Wilkes-Barre, PA, USA. Design Non-interventional, observational, retrospective-prospective. Patients and Methods A total of 55 (EDOF/+3.25) “best case patients” with 1) 4 months neuroadaptation 2) corrected residual refractive error 3) necessary YAGs performed and 4) aggressive ocular surface management underwent regression analysis to identify predictors of “overall patient satisfaction”. Satisfaction was regressed against 40 independent variables – 31 clinical metrics such as reading speed and acuity, angle kappa, aberrations, mesopic pupil size, residual spherical equivalent and astigmatism, near, intermediate vision at fixed and preferred focal distances, etc., and 9 responses from a questionnaire evaluating the performance of everyday tasks. Results were compared to two prior cohorts (67 bilateral +3.25 and 55 bilateral +4.00) with identical methods. Results Eighty percent (44/55) of the EDOF/+3.25 patients were “very satisfied” and 20% (11/55) were “satisfied” compared to 82% “very satisfied”/18% “satisfied” (+3.25/+3.25) and 64% “very satisfied”/36% “satisfied” (+4.00/+4.00). Subjective scores for near VA (p=0.02) were in favor of the +3.25/+3.25 (1.92/2.00) vs EDOF/3.25 (1.76/2.00). However, EDOF/+3.25 scores for intermediate VA (4.65/5.00 vs 4.32/5.00; p=0.02) and distance VA (4.76/5.00 vs 4.53/5.00; p=0.047) were significantly better than bilateral +3.25 and bilateral +4.00. In the bilateral +3.25 cohort, regression revealed that variables related to intermediate vision were responsible for outperforming the bilateral +4.00 cohort, and it also showed that smaller mesopic pupils (p=0.005) again predicted better intermediate vision as was observed in the bilateral +4.00 patients. Conclusion The EDOF/+3.25 patients had equal patient satisfaction vs the bilateral +3.25, and greater satisfaction vs the bilateral +4.00 patients because of significantly better intermediate and distance vision, despite scoring less for near vision with fine print and no difference with moderate print. Regression predicted better intermediate vision with smaller mesopic pupils with the +3.25 and +4.00 IOLs.
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Affiliation(s)
- Frank A Bucci
- Bucci Laser Vision, Institute Wilkes-Barre, Wilkes-Barre, PA, USA
- Correspondence: Frank A Bucci Jr Bucci Laser Vision Institute, 158 Wilkes-Barre Township Blvd.,Wilkes-Barre, PA18702, USA Email
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Ruiz-Alcocer J, Lorente-Velázquez A, Hernández-Verdejo JL, De Gracia P, Madrid-Costa D. Optical Performance of a Trifocal IOL and a Novel Extended Depth of Focus IOL Combined With Different Corneal Profiles. J Refract Surg 2020; 36:435-441. [DOI: 10.3928/1081597x-20200519-02] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 05/19/2020] [Indexed: 11/20/2022]
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Ruiz-Alcocer J, Lorente-Velázquez A, de Gracia P, Madrid-Costa D. Optical tolerance to rotation of trifocal toric intraocular lenses as a function of the cylinder power. Eur J Ophthalmol 2020; 31:1007-1013. [PMID: 32460622 DOI: 10.1177/1120672120926845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The aim was to assess the impact of 5- and 10-degree rotations in the optical quality of a trifocal toric intraocular lens with different amounts of cylinder. METHODS Two Physiol Toric intraocular lenses with 1.5 and 3.0 D of cylinder were analysed in three different positions: centred, 5 and 10 degrees rotated. The optical quality of the intraocular lenses was evaluated with the PMTF optical bench through specific perpendicular targets. The analysis was performed by the through-focus modulation transfer function curves and the modulation transfer function corresponding to distance vision (0 D of vergence). RESULTS For a centred situation, the through-focus modulation transfer function curves of both intraocular lenses showed the classical three peaks corresponding to the powers of the two principal meridians of the intraocular lenses. When 5 and 10 degrees of rotation were induced, the three peaks were attenuated in both cases. The case with the intraocular lens with 3.0 D of cylinder and 10 degrees of rotation showed the worst optical quality and a significant loss of trifocality. The modulation transfer function values obtained for distance vision also showed the worst optical quality for the intraocular lens with 3.0 D of cylinder and 10 degrees of rotation. CONCLUSION Rotations over 5 degrees decreased the optical quality of trifocal toric intraocular lenses, being this reduction moderate from 5 to 10 degrees for low levels of cylinder (≤1.5 D). For mid-high levels of cylinder (≥3.0 D), rotations over 5 degrees cause a significant loss of optical quality at all object distances.
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Affiliation(s)
- Javier Ruiz-Alcocer
- Department of Optometry and Vision, Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain
| | - Amalia Lorente-Velázquez
- Department of Optometry and Vision, Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain
| | - Pablo de Gracia
- Chicago College of Optometry, Midwestern University, Downers Grove, IL, USA
| | - David Madrid-Costa
- Department of Optometry and Vision, Faculty of Optics and Optometry, Universidad Complutense de Madrid, Madrid, Spain
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Rementería-Capelo LA, García-Pérez JL, Contreras I, Blázquez V, Ruiz-Alcocer J. Automated refraction after trifocal and trifocal toric intraocular lens implantation. Eur J Ophthalmol 2020; 31:1031-1038. [PMID: 32264702 DOI: 10.1177/1120672120914848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND To analyze the correlation between automated refraction and manifest refraction after implantation of a trifocal intraocular lens or its toric version. METHODS This cross-sectional study involved 105 eyes of 105 patients. Subjects were divided in two groups: 62 with trifocal (AcrySof PanOptix) and 43 with trifocal toric (AcrySof PanOptix Toric) intraocular lenses. Automated refraction was employed as starting point for obtaining the manifest refraction. Automated refraction and manifest refraction measurements were analyzed and compared using the vector analysis 3 months after the surgery. RESULTS In both groups, the higher differences between automated refraction and manifest refraction measurements were found for the cylinder and the spherical equivalent (M). Cylinder values for PanOptix were: -0.60 ± 0.36 D with automated refraction and -0.17 ± 38 D with manifest refraction (p < 0.001); for PanOptix Toric, the values were: -0.49 ± 0.31 D with automated refraction and -0.05 ± 0.21 D with manifest refraction (p < 0.001). M values for PanOptix were: -0.23 ± 0.31 D with automated refraction and -0.03 ± 0.16 D with manifest refraction (p < 0.001); for PanOptix Toric, the values were: -0.13 ± 0.40 D with automated refraction and 0.01 ± 0.12 D with manifest refraction (p < 0.001). For the PanOptix group, intraclass correlation coefficients were: 0.51 (sphere), 0.64 (cylinder), 0.42 (M), 0.62 (J0), and 0.37 (J45). For the PanOptix Toric group, the intraclass correlation coefficients were: 0.39 (sphere), 0.61 (cylinder), 0.39 (M), 0.53 (J0), and 0.09 (J45). CONCLUSION The results of this study suggest that patients implanted with the trifocal and the trifocal toric intraocular lens under study showed similar automated refraction results between them, with a slight trend to more negative amounts of cylinder and M. Nevertheless, clinicians should carefully confirm all parameters of the refraction with manifest refraction.
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Affiliation(s)
| | | | - Inés Contreras
- Clínica Rementería, Madrid, Spain.,Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigaciones Sanitaria (IRYCIS), Madrid, Spain
| | | | - Javier Ruiz-Alcocer
- Departamento de Optometría y Visión, Facultad de Óptica y Optometría, Universidad Complutense de Madrid, Madrid, Spain
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Rementería-Capelo LA, Contreras I, García-Pérez JL, Blázquez V, Ruiz-Alcocer J. Visual quality and patient satisfaction with a trifocal intraocular lens and its new toric version. J Cataract Refract Surg 2019; 45:1584-1590. [PMID: 31587937 DOI: 10.1016/j.jcrs.2019.06.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/13/2019] [Accepted: 06/17/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE To assess and compare the visual quality and subjective outcomes of a trifocal spherical intraocular lens (IOL) and its new toric version. SETTING Clínica Rementería, Madrid, Spain. DESIGN Prospective case series. METHODS Patients had bilateral implantation of the AcrySof IQ PanOptix spherical or toric IOL. Three months postoperatively, monocular and the binocular uncorrected and corrected distance, intermediate, and near visual acuities; binocular defocus curves; and binocular contrast sensitivity function (CSF) were assessed. Patient satisfaction was evaluated with the Catquest 9SF questionnaire. RESULTS The study comprised 250 eyes (166 with spherical IOL; 84 with toric IOL) of 125 patients. Both groups had good monocular visual acuity at all distances with no statistically significant differences between groups. The mean monocular uncorrected acuity in the spherical group was 0.06 logarithm of the minimum angle of resolution (logMAR) ± 0.07 (SD), 0.20 ± 0.10 logMAR, and 0.05 ± 0.07 logMAR for far, intermediate, and near, respectively, and in the toric group, 0.07 ± 0.10 logMAR, 0.23 ± 0.20 logMAR, and 0.07 ± 0.12 logMAR, respectively. Defocus curves showed a visual acuity of 0.1 logMAR or better between -2.5 diopters (D) and +0.5 D with no differences between groups. The CSF values were within normal ranges with both IOLs. The questionnaire showed high rates of patient satisfaction with no differences between groups. CONCLUSIONS The visual outcomes with the 2 IOLs were similar. With optimum implantation and alignment, the trifocal toric IOL seems to provide visual quality and patient satisfaction that is equivalent to that with the nontoric version with the same platform.
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Affiliation(s)
| | - Inés Contreras
- Clínica Rementería, Spain; Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigaciones Sanitarias, Spain
| | | | - Vanesa Blázquez
- Clínica Rementería, Spain; Optics and Optometry Department, Universidad Complutense de Madrid, Spain
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